////header栏浮动下拉菜单
var $len = $('.header_right ul>li');
var drop_down = ['.down_login','.client_code','.vixin_code','.phone','.customer_service','.joinTc'];
var drop_height = ['100px','235px','156px','70px','132px','132px'];
	$len.each(function(i,ele){
		$(ele).hover(function(){	
				$(this).find('a').css("background","#fff");
				console.log(drop_down[i]);
				$(this).find(drop_down[i]).stop().animate({height:drop_height[i]},150);	
			},
			function(){	
				$(this).find('a').css("background","#fafafa");		
				$(this).find(drop_down[i]).stop().animate({height:'0px'},150);
			});
	});
